HIGH PERFORMANCE, ONE-COMPONENT, HIGH SOLIDS, UV-STABLE, LIQUID APPLIED POLYURETHANE WATERPROOFING MEMBRANE WITH LOW ODOUR Decothane® Ultra is a cold-applied, one-component,seamless, highly elastic, UV stable and moisture-triggered polyurethane membrane with significantly reduced odour. It cures to form a seamless, durable and weather-resistant waterproofing solution for exposed roof areas - Low maintenance
- One component - no mixing, easy and ready to use
- Cold applied – requires no heat or flame
- Minimal odour - suitable for odour sensitive projects
- High solids
- Seamless membrane
- Compatible with Sika® Reemat Premium – easy to detail
- Easily recoated when needed - no stripping required
- Elastic - retains elasticity even at low temperatures
- Good adhesion to most substrates – see table
- Free from rain damage almost immediately on application (see table)
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Usage Decothane® Ultra may only be used by experienced professionals. For roof waterproofing solutions in both new construction and refurbishment projects - For roofs displaying complex detail areas, even when accessibility is limited
- For cost efficient life cycle extension of failing roofs
- For odour sensitive areas
- For insulated and non-insulated roof designs
Advantages - Low maintenance
- One component - no mixing, easy and ready to use
- Cold applied – requires no heat or flame
- Minimal odour - suitable for odour sensitive projects
- High solids
- Seamless membrane
- Compatible with Sika® Reemat Premium – easy to detail
- Easily recoated when needed - no stripping required
- Elastic - retains elasticity even at low temperatures
- Good adhesion to most substrates – see table
- Free from rain damage almost immediately on application (see table)
Packaging 15 Litre Metal Pails Colour Slate grey (RAL 7015); Dove Grey (RAL 7040); Shale Grey (RAL 8500); White, (RAL 9016); other colours available upon request |
Technical Information Tensile Strength Ultra 15 | Ultra 20 | Ultra 25 | 10 N/mm² | 8.5 N/mm² | 8.3 N/mm² |
Tensile resistance 370 N/25mm | 410 N/25mm | 530 N/25mm |
Service Temperature -30°C to +80°C (intermittent)
Chemical Resistance Strong resistance to a wide range of reagents including paraffin, petrol, fuel oil, white spirit, acid rain, detergents and moderate solutions of acids and alkalis. Some low molecular weight alcohols can soften the material. Contact Technical Services for specific recommendations. Salt spray to ASTM B117 (1000 hours continuous exposure) and prohesion testing to ASTM G85-94; Annex A5 (1000 hours cyclic exposure)
Dry film thickness | Ultra 15 | Ultra 20 | Ultra 25 | | 1.5 mm | 1.8 mm | 2.2 mm |
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Application Information Ambient Air Temperature +2°C min/+40°C max Relative Air Humidity 20% min/85% max Dew Point Beware of condensation. surface temperature during application and cure must be a minimum of 3°C above dew point. Substrate Temperature +2°C min/+60°C max Substrate Moisture Content Wood moisture equivalent (wme) (max): <28% Pot Life Decothane® Ultra is designed for fast drying. High temperatures combined with high air humidity will increase the drying process. Thus, material in opened containers should be applied immediately. In opened containers, the material will form a film within 1 hour. Waiting Time / Overcoating ~48 hours. For longer periods ≤ 14 days, the surface must be reactivated with Sika Reactivation Primer. Applied Product Ready for Use | Temperature | Relative Humidity | Rain Resistant | Overcoating Time | Full Cure | | +5°C | 50% | ~1 hour | Overnight | ~24 hours | | +10°C | 50% | ~1 hour | ~8-10 hours | ~12-24 hours | | +20°C | 50% | ~1 hour | ~4-6 hours | ~12-18 hours |
Times are approximate and will be affected by changing ambient conditions particularly temperature and relative humidity. *Be aware that heavy rain or rain showers can physically mark or damage the still liquid coating Application at heavier than recommended thicknesses may result in a prolonged soft feeling to the coating. This will eventually cure. |
The above design is only a sample of the options available, for reference purposes only. Our policy of continuous improvement may result in a change of specifications without notice. If any discrepencies might be between the data sheet values and standards, we reserve the rights to make technical changes. Our company will not be held responsible, as all or any of pictures, drawings, weights and dimensions details or other elements in this document are only indicative and must not be considered contractual. Contact our sales team for other specifications or custom made products.
Contact our sales team for other specifications or custom made products.
